CN214204120U - Magnetic ring fixing device, busbar assembly, motor controller and vehicle - Google Patents
Magnetic ring fixing device, busbar assembly, motor controller and vehicle Download PDFInfo
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- CN214204120U CN214204120U CN202023134599.8U CN202023134599U CN214204120U CN 214204120 U CN214204120 U CN 214204120U CN 202023134599 U CN202023134599 U CN 202023134599U CN 214204120 U CN214204120 U CN 214204120U
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- magnetic ring
- busbar
- fixing
- fixing device
- fixing piece
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Abstract
The utility model discloses a magnetic ring fixing device, female subassembly, machine controller and vehicle of arranging. The magnetic ring fixing device is used for fixing a magnetic ring sleeved on the busbar assembly and comprises a first fixing piece and a second fixing piece, and the first fixing piece and the second fixing piece are insulating pieces. The front end of the first fixing piece is fixedly connected with the second fixing piece in a fixed state after penetrating through the magnetic ring so as to form an I-shaped or staggered I-shaped clamp. The bus bar assembly is sleeved with a magnetic ring, and the magnetic ring is fixed by the magnetic ring fixing device. The motor controller comprises the busbar assembly. The vehicle includes the motor controller. According to the utility model discloses, can solve the female too big problem of the volume that arranges that current insulation housing formula mother arranges magnetic ring fixing device leads to corresponding mother because of adopting the fixed structural design of cladding formula effectively.
Description
Technical Field
The utility model belongs to the automotive electronics field, more specifically relates to a magnetic ring fixing device, female subassembly, machine controller and vehicle of arranging.
Background
A magnet ring for filtering is generally sleeved on a busbar of an existing electrical device, and the magnet ring is generally fixed on the busbar based on a special fixing device. The fixing device of the existing bus bar magnetic ring is mainly an insulating shell matched with the appearance of the magnetic ring, the insulating shell is of a split structure and comprises a shell body and a shell cover, through holes for enabling the bus bar to penetrate through are reserved on the shell body and the shell cover, and lugs are further arranged on the shell body. When the magnetic ring is sleeved on the busbar, the magnetic ring is wrapped by mutually combining the shell body and the shell cover, and then the lug and the shell of the electrical equipment are fixed by the screw, so that the aim of fixing the magnetic ring is fulfilled. The structure of the conventional insulating shell type busbar magnetic ring fixing device is shown in fig. 1, wherein in fig. 1, 1 is a first busbar, 2 is a second busbar, 3 is a shell body, 4 is a shell cover, and 5 is a lug. The structural section of the existing insulating shell type bus bar magnetic ring fixing device is shown in fig. 2, 6 is an interference fit surface between a shell body and a shell cover, and 7 is a magnetic ring. Therefore, the conventional insulating shell type busbar magnetic ring fixing device realizes the omnibearing wrapping of the magnetic ring on the busbar through the interference fit of the shell body and the shell cover, and indirectly realizes the fixation of the magnetic ring through the mode of fixing the insulating shell type busbar magnetic ring fixing device on the shell of the electrical equipment.
However, for a low-voltage inverter, such as a motor controller, since the operating current of such a low-voltage inverter is large, the sectional area of the bus bar is large, the volume of the magnetic ring matched with the bus bar is large, and the size of the adopted insulating shell type bus bar magnetic ring fixing device is also large. The internal space of the shell of the low-voltage inverter is limited, the internal structure design is compact, and after the magnetic ring is pre-installed on the busbar through the insulating shell type busbar magnetic ring fixing device, the busbar is placed in the shell of the low-voltage inverter and inserted into the busbar interface, so that the problem is very difficult. In addition, after the bus bar is inserted, the operation of fixing the insulating shell type bus bar magnetic ring fixing device on the shell of the low-voltage inverter is limited by the internal space of the equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the prior insulation shell type busbar magnetic ring fixing device leads to the overlarge volume of the corresponding busbar due to the adoption of the cladding type fixing structure design.
In order to achieve the above object, the utility model provides a magnetic ring fixing device, female subassembly, machine controller and vehicle of arranging.
According to the utility model discloses a first aspect provides a magnetic ring fixing device.
The utility model discloses a magnetic ring fixing device is used for fixing a magnetic ring sleeved on a bus bar assembly, the magnetic ring fixing device comprises a first fixing part and a second fixing part, and the first fixing part and the second fixing part are insulating parts;
the front end of the first fixing piece penetrates through the magnetic ring and then is fixedly connected with the second fixing piece in a fixed state, so that an I-shaped or staggered I-shaped clamp is formed.
Preferably, the first fixing member is T-shaped, and includes a horizontal portion and a vertical portion;
the busbar assembly comprises a first busbar and a second busbar which are arranged in parallel;
under the condition that the magnetic ring is sleeved on the busbar assembly, the front end of the vertical part penetrates through the inner space of the magnetic ring between the first busbar and the second busbar from the near end of the magnetic ring and exceeds the far end face of the magnetic ring, and the horizontal part is erected on the near end face of the magnetic ring;
the second fixing piece is fixedly connected with the first busbar and/or the second busbar;
the front end of the vertical part is fixedly connected with the second fixing piece.
Preferably, one side of the front end of the vertical part, which is connected with the second fixing part, is provided with a limiting step.
Preferably, the limiting step is a concave limiting step.
Preferably, the second fixing member is in threaded connection with the first busbar and/or the second busbar;
and/or the front end of the vertical part is in threaded connection with the second fixing piece.
Preferably, an outer contact surface of the second fixing member, which is in contact with the limiting step and faces the horizontal portion, is an inclined surface;
the front end of the vertical part is in threaded connection with the second fixing piece through a first screw;
the advancing direction of the first screw is opposite to the height direction of the external joint surface.
Preferably, the magnetic ring fixing device further comprises an insulating plug for covering the head of the first screw.
Preferably, the second fixing member is provided with an elastic limiting member for radially limiting the magnetic ring.
According to the utility model discloses a second aspect provides a female subassembly that arranges.
The utility model discloses a female subassembly that arranges, its cover is equipped with the magnetic ring, the magnetic ring adopts any kind of magnetic ring fixing device of above-mentioned fixed.
According to the utility model discloses a third aspect provides a motor controller.
The utility model discloses a machine controller contains and adopts above-mentioned any kind of magnetic ring fixing device to be fixed in the female subassembly that arranges on it with the magnetic ring.
According to a fourth aspect of the present invention, a vehicle is provided.
The utility model discloses a vehicle contains above-mentioned machine controller.
The beneficial effects of the utility model reside in that:
the utility model discloses a magnetic ring fixing device, the front end of first mounting constitute I shape structure or crisscross type I shape structure from top to bottom with the second mounting that is in fixed state after running through the magnetic ring to fix magnetic ring centre gripping formula ground on female arranging. The utility model discloses a magnetic ring fixing device make full use of female space of arranging clearance and magnetic ring, through the size of the first mounting of rational design and second mounting, can reduce the shared space of first mounting and second mounting to the at utmost. On the other hand, first mounting and second mounting all set up in the axial direction of magnetic ring, are adopting the utility model discloses a during magnetic ring fixing device, can not increase the magnetic ring in its radial direction shared space, and then control corresponding female arranging effectively and be in radial direction shared space. Therefore, adopt the utility model discloses a magnetic ring fixing device can solve effectively and adopt the female excessive problem of the volume of arranging that arranges on it that the magnetic ring is fixed in to the magnetic ring of female magnetic ring fixing device of current insulation housing formula.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural diagram of an insulation casing type busbar magnetic ring fixing device according to the present invention.
Fig. 2 shows a cross-sectional view of an insulation case type bus bar magnetic ring fixing device according to the background art of the present invention.
Fig. 3 shows an a-a cross-sectional view of a busbar assembly with a magnetic ring secured thereto using a magnetic ring securing device, according to an embodiment of the present invention.
Fig. 4 shows a top view of a busbar assembly with a magnetic ring secured thereto using a magnetic ring securing device according to an embodiment of the present invention.
Fig. 5 illustrates an isometric view of a busbar assembly with a magnet ring secured thereto using a magnet ring securing device according to an embodiment of the present invention.
Fig. 6 shows an isometric view of a first mount according to an embodiment of the invention.
Fig. 7 shows a schematic structural diagram of a second fixing element with an elastic limiting element according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example (b): fig. 3 shows a cross-sectional view a-a of the busbar assembly of the present embodiment with the magnet ring fixing device fixing the magnet ring thereon. Fig. 4 shows a top view of the busbar assembly of the present embodiment to which the magnetic ring is fixed by the magnetic ring fixing device. Fig. 5 is an isometric view of a busbar assembly of the present embodiment with a magnet ring fixture to secure a magnet ring thereto. Figure 6 illustrates an isometric view of a first mount of the present embodiment. Fig. 7 shows a schematic structural diagram of the second fixing element with the elastic limiting element according to the embodiment.
The magnetic ring fixing device of the present embodiment is described in detail below with reference to fig. 3 to 7:
the magnetic ring fixing device of the embodiment is used for fixing the magnetic ring 200 sleeved on the busbar assembly 100, and includes a first fixing member 300 and a second fixing member 400, and both the first fixing member 300 and the second fixing member 400 are insulating members;
the first fixing member 300 has a T-shape including a horizontal portion 310 and a vertical portion 320;
the busbar assembly 100 comprises a first busbar 110 and a second busbar 120 which are arranged in parallel;
under the condition that the magnetic ring 200 is sleeved on the busbar assembly 100, the front end of the vertical part 320 penetrates through the inner space of the magnetic ring 200 between the first busbar 110 and the second busbar 120 from the near end of the magnetic ring 200 and exceeds the far end face of the magnetic ring 200, and the horizontal part 310 is lapped on the near end face of the magnetic ring 200;
the second fixing member 400 is fixedly connected with the first busbar 110 and the second busbar 120;
the front end of the vertical portion 320 is fixedly coupled to the second fixing member 300.
In this embodiment, one side of the front end of the vertical portion 320, which is connected to the second fixing member 400, is provided with a concave limiting step, and the limiting step is used for limiting the second fixing member 400.
In this embodiment, the second fixing member 400 is in threaded connection with the first busbar 110, the second fixing member 400 is in threaded connection with the second busbar 120, and the second fixing member 400 is in threaded connection with the front end of the vertical portion 320.
In this embodiment, the second fixing member 400 is a cuboid, and the length thereof is equal to the width of the first busbar 110 and the second busbar 120 which are arranged in parallel. The outer contact surface of the second fixing member 400 contacting the position-limiting step and facing the horizontal part 310 is an inclined surface;
the front end of the vertical part 320 is in threaded connection with the second fixing member 400 through a first screw 500;
the advancing direction of the first screw 500 is opposite to the height direction of the external connection surface of the second fixing member 400.
The magnetic ring fixture of the present embodiment further includes an insulating block for covering the head of the first screw 500 that leaks out.
In this embodiment, the second fixing member 400 is provided with an elastic limiting member 410 for radially limiting the magnetic ring 200.
In the magnetic ring fixing device of this embodiment, the second fixing member 400 is in threaded connection with the first busbar 110 through the second screw 600, and is in threaded connection with the second busbar 120 through the third screw 700. The front end of the vertical portion 320 of the first fixing member 300 penetrates the magnetic ring 200 from a gap between the first busbar 110 and the second busbar 120 in the magnetic ring 200, and after penetrating the magnetic ring 200, the front end of the vertical portion 320 of the first fixing member 300 is fixed to the middle of the second fixing member 400 by the first screw 500. In this embodiment, the first fixing member 300 and the second fixing member 400 form an i-shaped structure staggered up and down.
In this embodiment, a threaded through hole 330 matched with the first screw 500 is provided on the front end of the vertical portion 320 of the first fixing member 300, and a threaded blind hole matched with the first screw 500 is provided on a corresponding position of the second fixing member 400. Wherein, the screw thread through hole 330 is a counter bore, and under the state of screwing, the head of the first screw 500 extends into the screw thread through hole 330 and is covered by the insulating plug.
In this embodiment, the inclination angle of the outer contact surface of the second fixing member 400 contacting the position-limiting step and facing the horizontal portion 310 is α, and α is in a range of 1 ° to 2 °. With the arrangement, by using the principle of wedge clamping, in the process of fastening the first fixing member 300 and the second fixing member 400 together by the first screw 500, the gap between the magnetic ring 200 and the second fixing member 400 is gradually reduced along with the extension of the first screw 500 until the magnetic ring 200 is fastened between the first fixing member 300 and the second fixing member 400, thereby further fixing the magnetic ring 200.
In this embodiment, the first fixing member 300, the second fixing member 400 and the insulating block are made of high temperature insulating plastic by molding. Specifically, the first fixing member 300, the second fixing member 400 and the insulating plug are all made of PPS material.
In this embodiment, the thickness of the vertical portion 320 of the first fixing member 300 is h, and correspondingly, the width of the inner ring of the magnetic ring 200 is also h, and the vertical portion 320 is in clearance fit with the magnetic ring 200 in the process that the vertical portion 320 of the first fixing member 300 extends into the magnetic ring 200.
Further, this embodiment still provides a female subassembly of arranging. The busbar assembly of the present embodiment includes a connector, a first busbar 110, and a second busbar 120. The magnetic ring 200 is sleeved on the first busbar 110 and the second busbar 120, and the magnetic ring 200 is fixed by the magnetic ring fixing device of this embodiment.
The first busbar 110 and the second busbar 120 both penetrate through the connector, and annular sealing rubber gaskets are arranged on the connection areas of the first busbar 110 and the second busbar 120 and the end faces of the connector, and are of IP67 waterproof grade.
The busbar assembly is a direct current busbar assembly, the first busbar 110 is a positive busbar, the second busbar 120 is a negative busbar, and the first busbar and the second busbar both adopt a bending type structural design and are in a shape of a Chinese character 'yi'. Three mounting holes are formed at the tail ends of the first busbar 110 and the second busbar 120 and are used for realizing mechanical connection and electrical connection with corresponding circuit boards. A threaded through hole matched with the second screw 600 is reserved on the first busbar 110, and a threaded through hole matched with the third screw 700 is reserved on the second busbar 120. The threaded through holes on the first busbar 110 and the threaded through holes on the second busbar 120 are symmetrically arranged.
The busbar assembly of this embodiment, with adopt the female subassembly of arranging on it of female magnetic ring fixing device with the magnetic ring of current insulation housing formula to compare to have a smaller volume, occupation space is littleer for corresponding electrical equipment's structure is compacter. Meanwhile, in the assembly process, pre-assembly can be realized, and further the production efficiency is improved.
Further, the present embodiment also provides a motor controller. The motor controller of this embodiment adopts the female subassembly that arranges that this embodiment proposes.
Further, the embodiment also provides a vehicle. The vehicle of the present embodiment employs the motor controller proposed in the present embodiment.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A magnetic ring fixing device is used for fixing a magnetic ring sleeved on a busbar assembly and is characterized by comprising a first fixing piece and a second fixing piece, wherein the first fixing piece and the second fixing piece are insulating pieces;
the front end of the first fixing piece penetrates through the magnetic ring and then is fixedly connected with the second fixing piece in a fixed state, so that an I-shaped or staggered I-shaped clamp is formed.
2. The magnetic ring fixing device as claimed in claim 1, wherein the first fixing member is T-shaped, and includes a horizontal portion and a vertical portion;
the busbar assembly comprises a first busbar and a second busbar which are arranged in parallel;
under the condition that the magnetic ring is sleeved on the busbar assembly, the front end of the vertical part penetrates through the inner space of the magnetic ring between the first busbar and the second busbar from the near end of the magnetic ring and exceeds the far end face of the magnetic ring, and the horizontal part is erected on the near end face of the magnetic ring;
the second fixing piece is fixedly connected with the first busbar and/or the second busbar;
the front end of the vertical part is fixedly connected with the second fixing piece.
3. The magnetic ring fixing device as claimed in claim 2, wherein a side of the front end of the vertical portion, which is connected to the second fixing member, is provided with a limiting step, and the limiting step is a concave limiting step.
4. The magnet ring fixing device as claimed in claim 3, wherein the second fixing member is threadedly connected to the first busbar and/or the second busbar;
and/or the front end of the vertical part is in threaded connection with the second fixing piece.
5. The magnetic ring fixing device as claimed in claim 4, wherein an outer facing surface of the second fixing member contacting the position-limiting step and facing the horizontal portion is an inclined surface;
the front end of the vertical part is in threaded connection with the second fixing piece through a first screw;
the advancing direction of the first screw is opposite to the height direction of the external joint surface.
6. The magnetic ring fixture device as claimed in claim 5, further comprising an insulating plug;
the insulating plug is used for covering the head of the first screw which leaks outwards.
7. The magnetic ring fixing device as claimed in claim 6, wherein an elastic limiting member for radially limiting the magnetic ring is disposed on the second fixing member.
8. A busbar assembly, characterized in that a magnet ring is sleeved on the busbar assembly and fixed by a magnet ring fixing device according to any one of claims 1 to 7.
9. A motor controller comprising the busbar assembly of claim 8.
10. A vehicle characterized by comprising the motor controller of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023134599.8U CN214204120U (en) | 2020-12-23 | 2020-12-23 | Magnetic ring fixing device, busbar assembly, motor controller and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023134599.8U CN214204120U (en) | 2020-12-23 | 2020-12-23 | Magnetic ring fixing device, busbar assembly, motor controller and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214204120U true CN214204120U (en) | 2021-09-14 |
Family
ID=77655975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023134599.8U Active CN214204120U (en) | 2020-12-23 | 2020-12-23 | Magnetic ring fixing device, busbar assembly, motor controller and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214204120U (en) |
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2020
- 2020-12-23 CN CN202023134599.8U patent/CN214204120U/en active Active
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